3-(Chlorosulfonyl)-4-fluorobenzoic Acid CAS 2267-40-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2267-40-5 |
| Molecular Formula | C7H4ClFO4S |
| Molecular Weight | 238.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(Chlorosulfonyl)-4-fluorobenzoic Acid (CAS 2267-40-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4ClFO4S. Molecular weight: 238.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H4ClFO4S |
| Molecular Weight | 238.62 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- 3-(Chlorosulfonyl)-2-fluorobenzoic acid (CAS 1909327-45-2)
- 3-(Chlorosulfonyl)-5-fluorobenzoic acid (CAS 912577-43-6)
- 4-(Chlorosulfonyl)-3-fluorobenzoic acid (CAS 244606-33-5)
- 5-(Chlorosulfonyl)-2-fluorobenzoic Acid (CAS 37098-75-2)
- 4-(Chlorosulfonyl)-2,5-dimethylfuran-3-carboxylic acid (CAS 1016689-45-4)
- Ethyl 2-(chlorosulfonyl)-1H-imidazole-5-carboxylate (CAS 1073187-02-6)
- methyl 3-[(chlorosulfonyl)methyl]-2-furoate (CAS 1114823-97-0)
- methyl 5-chlorosulfonyl-2-methyl-pyrazole-3-carboxylate (CAS 1122567-32-1)
Recommended Standards
- 2-Chloro-8-hydroxy-6-methoxynaphthalene-1,4-dione (CAS 65120-69-6)
- 2-Chloro-6-(trifluoromethyl)thiazolo[5,4-b]pyridine (CAS 99520-99-7)
- 3-chloro-4-(fluorosulfonyl)benzoic acid (CAS 33866-05-6)
- 1-(1-methylpiperidin-4-yl)-1H-pyrazol-4-amine hydrochloride (CAS 1448694-48-1)
- 5-(4-(Dimethylamino)phenyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 611227-30-6)
- 3-((Trimethylsilyl)ethynyl)benzoic acid (CAS 16116-82-8)
- 2,4-Dichloro-1-(2-iodophenoxy)benzene (CAS 175136-78-4)
- 2-Chloro-3-{[2-(2-hydroxyethoxy)ethyl]amino}-1,4-dihydronaphthalene-1,4-dione (CAS 331462-29-4)
- Thioctic acid Impurity 41 (CAS CATO-C4X-152641)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com